41
CONCRETE MIXER
EN
G
Content of operations
The used tools and materials
Servicing every shift
Clean the mixer surface from concrete and dust.
Wash the inside cavities of the drum by rotating it and
adding water and crushed stone.
Check the tightening level of threaded connections,
operability of the mains cord.
Wrenches, rags, water
Maintenance (M-1) every 200 hours
Carry out works in the scope of monthly servicing.
Check parameters of the toothed rim.
Wrenches, rags, water
Maintenance (M-2) every 600 hours
Carry out works in the scope of monthly servicing and
M-1.
Check belt tensioning and, if necessary, adjust. The
sign of loosening of the belt tension is the decrease in
rotating speed of the drum by more than 5% from 29
RPM
Wrenches, rags, water
It is necessary to watch the belt tensioning condition. The sign of loosening of the belt tension is
the decrease in rotating speed of the mixing drum. Rotating speed for this electric drive should be
about 27 RPM. When the belt tension is loosened in the course of work it is necessary to switch off
the concrete mixer.
LIST OF CRITICAL FAULTS AND WRONG ACTIONS OF PERSONNEL
LEADING TO INCIDENTS OR ACCIDENTS
The personnel operating and servicing the concrete mixer should understand and realize that the
concrete mixer, as well as any other machine, under certain circumstances, can represent threat for
life and health.
Summary of Contents for CM120
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